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Lilian Besson (Naereen) prod function for Python 2 or 3K (product of the values of an iterator)

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Revised by Lilian Besson (Naereen) 0c8e573
prod function for Python 2.py
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def prod(iterator):
    """ Compute the product of the values in the iterator.
    
    - Empty product is 1."""
    p = 1
    for x in iterator:
        p *= x
    return p
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